The ‘Walk of Ideas’ was an ‘art project’ throughout Berlin which was put in place of the World Cup earlier this year. The 6 sculptures promoted the best of Germany, and not very subtly provided advertising for the project’s two main sponsors. To start with, parked outside Berlin’s Brandenburg Gate, there’s a 2.5:1 scale model of an Audi TT. The foam sculpture is called “The Automobile” and was of course designed and built by Audi. Adidas very kindly provided a gigantic pair of Adidas football boots called “”Innovative Football Boots” to leave lying around on the grass. How…